Réalisation D'un Système de Transmission de Données À Spectre Étendu Utilisant Comme Canal Une Ligne D'énergie Électrique (110v/60Hz) PDF Download
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Author: Liu Jiansheng
Publisher:
ISBN:
Category :
Languages : en
Pages : 354
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Book Description
Author: Liu Jiansheng
Publisher:
ISBN:
Category :
Languages : en
Pages : 354
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Book Description
Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1461559693
Category : Science
Languages : en
Pages : 341
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this jOint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 40 (thesis year 1995) a total of 10,746 thesis titles from 19 Canadian and 144 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 40 reports theses submitted in 1995, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 880
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Author: KHALID.. SAYEGRIH
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
CETTE THESE CONCERNE L'ETUDE ET LA REALISATION D'UN SYSTEME DE MULTIPLEXAGE A ETALEMENT DE SPECTRE PAR CODAGE DIRECT, DESTINE AUX RESEAUX DE COMMUNICATIONS INTRA-VEHICULE. LE MEMOIRE INTRODUIT TOUT D'ABORD LES PROBLEMES POSES PAR L'UTILISATION CROISSANTE DES SYSTEMES ELECTRONIQUES EMBARQUES. CES DERNIERS TISSENT DANS LEUR SILLAGE UN RESEAU TOUJOURS PLUS DENSE DE CABLES ET DE FILS ELECTRIQUES ET/OU ELECTROMAGNETIQUES QUI RAYONNENT DU VEHICULE VERS LE MILIEU AMBIANT ET INVERSEMENT. FACE A CES DIFFICULTES, LA SOLUTION PROPOSEE DANS CETTE ETUDE EST UN SYSTEME DE MULTIPLEXAGE BASE SUR LA TECHNIQUE DE L'ETALEMENT DE SPECTRE PAR CODAGE DIRECT. CELLE-CI CONFERE AU SYSTEME UNE ROBUSTESSE PARTICULIERE VIS-A-VIS DES SIGNAUX PARASITES ET, ASSOCIEE A UNE TECHNIQUE DU COURANT PORTEUR, PERMET L'UTILISATION DE LA LIGNE D'ALIMENTATION ELECTRIQUE DU VEHICULE COMME SUPPORT UNIQUE DE LA TRANSMISSION DES DONNEES. LES DEUX PREMIERS CHAPITRES PORTENT SUR LE PRINCIPE DES SYSTEMES A ETALEMENT DE SPECTRE. ILS PRESENTENT UNE EVALUATION THEORIQUE DES PERFORMANCES DU SYSTEME POUR UNE LIAISON SIMPLE (CHAP. I) ET EN ACCES MULTIPLE (CHAP. II). CETTE EVALUATION MONTRE LA CAPACITE DU SYSTEME A REJETER LES BROUILLEURS DE TOUTES SORTES. LE TROISIEME CHAPITRE EST CONSACRE A LA DESCRIPTION DU DISPOSITIF REALISE ET A SA MISE EN UVRE SUR TABLE ET SUR VEHICULE EXPERIMENTAL. LES ESSAIS REALISES ONT MONTRE LE BON FONCTIONNEMENT DE CE TYPE DE MULTIPLEXAGE. CES RESULTATS PERMETTRONT D'ABOUTIR A UNE EXTENSION DU SYSTEME, A LA GESTION DE DONNEES DE PLUS HAUT DEBIT A BORD DES VEHICULES
Author: Emma Carlson Berne
Publisher: Referencepoint Press
ISBN: 9781601520197
Category : Science
Languages : en
Pages : 118
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Book Description
Throughout the world, the cause and impact of global warming and climate change is being passionately debated. While many claim that a climate crisis is imminent if greenhouse gases are not curbed, others argue that the effects have been overblown. Through objective overviews, primary sources, and full-color illustrations, this title will examine What Is Global Warming and Climate Change? What Are the Consequences of Global Warming? What Are the Controversies Surrounding Global Warming? What Are the Solutions for Global Warming?
